Local Calling Guide

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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-200 A Billings MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650      
406-200 0 Billings MT BLNGMT233MD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-10-04   
406-200 1 Billings MT BLNGMT233MD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-08-15   
406-200 2 Billings MT BLNGMT233MD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-07-14   
406-200 3 Billings MT BLNGMT233MD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-09-06   
406-200 4 Billings MT BLNGMT233MD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-10-06   
406-200 5 Billings MT BLNGMT233MD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-11-06   
406-200 6 Billings MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2012-06-14   
406-200 7 Billings MT BLNGMT93PS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 650   2014-09-30   
406-200 8 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2014-10-18   
406-200 9 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2014-10-18   
406-201 A Forsyth MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-201 0 Forsyth MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-201 1 Forsyth MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2013-12-13   
406-201 2 Forsyth MT BLNGMTWE7MD  453F ONVOY, LLC - MT 650   2019-10-28   
406-201 3 Forsyth MT BLNGMTWE7MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-201 4 Forsyth MT BLNGMTWE7MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-201 5 Forsyth MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2014-05-25   
406-201 6 Forsyth MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-05-14   
406-201 7 Forsyth MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-05-14   
406-201 8 Forsyth MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2017-02-26   
406-201 9 Forsyth MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-09-09   
406-202 A Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 0 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 1 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 2 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 3 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 4 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 5 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 6 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 8 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 9 Helena MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2021-04-19   
406-203 A Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-203 0 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-203 1 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-203 2 Missoula MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2011-07-01   
406-203 3 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2012-02-26   
406-203 4 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-203 5 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2012-08-25   
406-203 6 Missoula MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2010-11-06   
406-203 7 Missoula MT HLNAMTHUCM1  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2014-07-12   
406-203 8 Missoula MT HLNAMTHUCM1  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2014-09-05   
406-203 9 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2014-10-24   
406-204 A Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-204 0 Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-204 1 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-13   
406-204 2 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-13   
406-204 3 Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2011-11-25   
406-204 4 Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-204 5 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-13   

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Last updated: Fri, 10 Sep 2021 12:38:21 UTC

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